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Quattor 18th April 2004 07:48 PM

Rotel RB-991BX
I’m trying to repair my ROTEL RB-991BX power amlifier and I have to change transistors 2SA1142 and 2SC2682. I’ve tried to find their datasheet from the net, even visited manufacturer’s site – but there was nothing. Does anyone have their datasheet or know their direct replacements?


Quattor 19th April 2004 06:50 PM

Can't believe that no one knows...

Anyone, please!

hanswolek 19th April 2004 08:15 PM

I am not sure that you have really "searched" internet in order to find those transistors.
I suggest you open-up and type 2SC2682 and press enter.
About 255 hits, and many places where you can order from.
Dont get upset for noone replying within 24hrs ... just google.

li_gangyi 20th April 2004 09:07 AM

Well with what I remember off my head...2SA1142 is a PNP a 2SC2682 should be it's complimentary NPN pair...probably you can replace them with more easily available parts like the MJL21193/94 pair...should many do you need?? I might have a few that I can send to you.just have to pay the shiping urself...wouldn't be too expensive even by air...

Vigier 20th April 2004 04:35 PM


you can just buy them in store! does have them:

2SA1142 is €1.35 each. (Si-P, 180V, 0.1A, 8W, 180 MHz)
2SC2682 is €0.79 each.

Grtz, Joris

P.S. If you use the search on their website, remove the prefix "2S", so search for A1142 and C2682.

Quattor 20th April 2004 07:47 PM

Thanks people! I appreciate it! I'll buy them one of these days.

Sorry for being imapatient...

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